Portion of a beverage machine



FIG. 1 is a front, right side, top perspective view of a portion of a beverage machine showing my new design;

FIG. 2 is a front, left side, bottom perspective view thereof;

FIG. 3 is a back, right side, bottom perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof.

The broken lines depict portions of a portion of a beverage machine that form no part of the claimed design. 

CLAIM The ornamental design for a portion of a beverage machine, as shown and described. 